Home / 1,860,418,915.89-2,791,036,989.87-550,218,821.68

Finding the Fourth Proportional to 1,860,418,915.89, 2,791,036,989.87 and 550,218,821.68

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Solution

The fourth proportional to 1,860,418,915.89, 2,791,036,989.87 and 550,218,821.68 is: 825,449,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,418,915.89 : 2,791,036,989.87 = 550,218,821.68 : x
  2. Step 2: Convert to fraction form
    1,860,418,915.89/2,791,036,989.87 = 550,218,821.68/x
  3. Step 3: Cross multiply
    1,860,418,915.89x = 2,791,036,989.87 × 550,218,821.68
  4. Step 4: Simplify right side
    1,860,418,915.89x = 1,535,681,083,831,565,312
  5. Step 5: Solve for x
    x = 1,535,681,083,831,565,312/1,860,418,915.89
  6. Step 6: Final answer
    x = 825,449,080.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.